3.5.2 Holding features. - When both wing nuts are screwed down until
tight against the mount surface, the gages (see 3.2.1) shall be secured
in the mount. Subsequent to the application of a 10 pound pressure applied
horizontally to the front and rear of the gage at a point 7.5 inches
below the center of the wing nut screws, the gage whall be within .0005
inch of its original location when measured horizontally at a point 7.5
inches below the center of the wing nut screws. This requirement shall
be met following the release of each of the pressures applied.
3.5.3 Shield assembly.- With the handle lock disengaged (turned
toward the gage), maximum vertical movement of the handle shall operate
the shield through the full travel range (closed for protection and open
for viewing). When the shield is fully closed, the handle shall engage
and lock. The handle shall also engage the intermediate stops through
the full travel range.
126.96.36.199 Headrest, horizontal and rotational travel.- When the lock-
ing levers are in the unlocked position, both headrests shall be adjustable
along and about the support shafts. When the locking levers are turned
to the locked position, both headrests shall be firmly secured to the
188.8.131.52 Headrest, vertical travel.- With Knob 10556521 loosened,
the headrest (see Drawing D8619420) shall be adjustable through maximum
movement permitted by the elongated slot in the assembly without restriction
184.108.40.206 Retention. - The torsional load applied to each Screw 8619691
shall be such that the headrests shall not change position when subjected
to the vibration specified in 3.3.2 and shall be operable at the temperatures
specified in 3.3.1.
4. QUALITY ASSUraNCE PROVISIONS
4.1 Responsibility for inspection.- Unless otherwise specified in
the contract or purchase order, the supplier is responsible for the per-
formance of all inspection requirements as specified herein. Except as
otherwise specified, the supplier may utilize his own facilities or any
other facilities suitable for the performance of the inspection require-
ments specified herein, unless disapproved by the Government. The Govern-
ment reserves the right to perform any of the inspections set forth in
the specification where such inspections are deemed necessary to assure
supplies and services conform to prescribed requirements.
4.1.1 General provisions. - The component and subassembly inspection
requirements of MIL-F-13926 form a part of the quality assurance provisions
of this specification. Definitions of inspection terms shall be as list-
ed in MIL-STD-109.